Home / 120,957.52-166,848.48-77,922.82

Finding the Fourth Proportional to 120,957.52, 166,848.48 and 77,922.82

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Solution

The fourth proportional to 120,957.52, 166,848.48 and 77,922.82 is: 107,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,957.52 : 166,848.48 = 77,922.82 : x
  2. Step 2: Convert to fraction form
    120,957.52/166,848.48 = 77,922.82/x
  3. Step 3: Cross multiply
    120,957.52x = 166,848.48 × 77,922.82
  4. Step 4: Simplify right side
    120,957.52x = 13,001,304,074.31
  5. Step 5: Solve for x
    x = 13,001,304,074.31/120,957.52
  6. Step 6: Final answer
    x = 107,486.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.